MCQOPTIONS
Saved Bookmarks
| 1. |
For a symmetrical distribution approximately 68% of the cases are included between _________________? |
| A. | X¯¯¯¯−S and X¯¯¯¯+S |
| B. | X¯¯¯¯−2S and X¯¯¯¯+2S |
| C. | X¯¯¯¯−3S and X¯¯¯¯+3S |
| D. | None of these |
| Answer» B. X¯¯¯¯−2S and X¯¯¯¯+2S | |